CISA Known Exploited Vulnerabilities Catalog
7.8
CVE-2016-7255 - Microsoft Win32k Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Win32k kernel-mode driver fails to properly handle objects in memory which allows for privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2016-7255
9.8
CVE-2021-34473 - Microsoft Exchange Server Remote Code Execution Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-34473
7.8
CVE-2020-1464 - Microsoft Windows Spoofing Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Windows contains a spoofing vulnerability when Windows incorrectly validates file signatures, allowing an attacker to bypass security features and load improperly signed files.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-1464
6.6
CVE-2021-31207 - Microsoft Exchange Server Security Feature Bypass Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-31207
7.8
CVE-2019-0803 - Microsoft Win32k Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Win32k contains an unspecified vulnerability due to it failing to properly handle objects in memory causing privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-0803
9.0
CVE-2020-1040 - Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Hyper-V RemoteFX vGPU contains an improper input validation vulnerability due to the host server failing to properly validate input from an authenticated user on a guest operating system. Successful exploitation allows for remote code execution on the host operating system.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-1040
7.8
CVE-2021-28310 - Microsoft Win32k Privilege Escalation Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Windows Win32k contains an unspecified vulnerability that allows for privilege escalation.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-28310
8.8
CVE-2021-26411 - Microsoft Internet Explorer Memory Corruption Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-26411
7.8
CVE-2019-0859 - Microsoft Win32k Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Win32k fails to properly handle objects in memory causing privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-0859
8.8
CVE-2021-40444 - Microsoft MSHTML Remote Code Execution Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-40444
7.8
CVE-2017-8759 - Microsoft .NET Framework Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft .NET Framework contains a remote code execution vulnerability when processing untrusted input that could allow an attacker to take control of an affected system.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2017-8759
7.5
CVE-2018-8653 - Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Internet Explorer contains a memory corruption vulnerability due to how the Scripting Engine handles objects in memory, leading to remote code execution.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2018-8653
7.8
CVE-2019-0797 - Microsoft Win32k Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Win32k contains a privilege escalation vulnerability when the Win32k component fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-0797
7.5
CVE-2021-36942 - Microsoft Windows Local Security Authority (LSA) Spoofing Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability allowing an unauthenticated attacker to call a method on the LSARPC interface and coerce the domain controller to authenticate against another server using NTLM.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-36942
7.8
CVE-2019-1215 - Microsoft Windows Privilege Escalation Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Windows contains an unspecified vulnerability due to the way ws2ifsl.sys (Winsock) handles objects in memory, allowing for privilege escalation. Successful exploitation allows an attacker to execute code with elevated privileges.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Known
Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-1215
8.8
CVE-2018-0798 - Microsoft Office Memory Corruption Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Office contains a memory corruption vulnerability due to the way objects are handled in memory. Successful exploitation allows for remote code execution in the context of the current user. This vulnerability is known to be chained with CVE-2018-0802.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2018-0798
7.8
CVE-2018-0802 - Microsoft Office Memory Corruption Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Office contains a memory corruption vulnerability due to the way objects are handled in memory. Successful exploitation allows for remote code execution in the context of the current user. This vulnerability is known to be chained with CVE-2018-0798.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2018-0802
8.8
CVE-2012-0158 - Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft MSCOMCTL.OCX contains an unspecified vulnerability that allows for remote code execution, allowing an attacker to take complete control of an affected system under the context of the current user.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2012-0158
7.8
CVE-2015-1641 - Microsoft Office Memory Corruption Vulnerability -
Action Due May 03, 2022 Target Vendor : Microsoft
Description : Microsoft Office contains a memory corruption vulnerability due to failure to properly handle rich text format files in memory. Successful exploitation allows for remote code execution in the context of the current user.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2015-1641
8.8
CVE-2021-27085 - Microsoft Internet Explorer Remote Code Execution Vulnerability -
Action Due Nov 17, 2021 Target Vendor : Microsoft
Description : Microsoft Internet Explorer contains an unspecified vulnerability that allows for remote code execution.
Action : Apply updates per vendor instructions.
Known To Be Used in Ransomware Campaigns? : Unknown
Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-27085